Entry From
Burkill, H.M. 1985. The useful plants of west tropical Africa, Vol 4
References
References:1. Brenan 9028, K. 2,a. Dalziel, 1937: 394, as C. maclaudii A Chev., & C. robusta Linden. 2,b. idem, loc. cit., 1937: 431, as Nicotiana rustica Linn. 3. Doughty 20, K. 4. Irvine, 1952,a: 38–39. 5. Olorunfemi FHI .34160, 41470, 41514, K. 6. Purs